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@inproceedings{popov:ipac2021-thpab192, author = {D. Popov and O. Karamyshev and I.D. Lyapin and V. Malinin}, title = {{Continuous Beam Dynamics Simulation in COMSOL Multiphysics}}, booktitle = {Proc. IPAC'21}, pages = {4153--4155}, eid = {THPAB192}, language = {english}, keywords = {cyclotron, simulation, solenoid, beam-losses, ion-source}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-THPAB192}, url = {https://jacow.org/ipac2021/papers/thpab192.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-THPAB192}, abstract = {{The classic way of beam dynamics simulation in a cyclotron is to separate it into many different stages from the ion source to the extraction (or even further), this was absolutely necessary to fit the calculations into any reasonable time in a cost of influence of some operation devices from one stage, on beam dynamics of another (next or previous mostly) stage. We’ve managed to perform beam dynamics from ion source through a solenoid to the center region in a single model in COMSOL, using several fields simultaneously: external magnetic (the magnet), calculated magnetic (the solenoid) and alternating and stationary electric fields in the center region.}}, }